[单项选择]I don't think you two know each other, ______

[单项选择]When you hear two shouts or two whistles, you know that ______.


A. people will come to help you
B. someone needs help
C. something terrible will happen

[单项选择]If you don't know how to read or use a word, you'd better ______ in a dictionary.


A. look it for
B. look up it
C. look it up

[单项选择]A: I don't know how it happened. But I got two different appointments at lunch tomorrow. I'm supposed to meet both David and Jim.
B：______

[单项选择]—I really don't know how to thank you enough.
—______.

[单项选择]When you don't know what to do next, never give up, just ______. working out your problem.


A. carry on
B. make sure
C. try out

[单项选择]I don't know whether you happen ______ , but I'm going to study in the U.S.A. this September.


A. to be heard
B. to be hearing
C. to hear
D. to have heard

[单项选择]She doesn't think other species--let alone man--can survive unless they live with nature.（）
A. except for
B. apart from
C. not to mention
D. with considering

[单项选择]Don't let ______ that you know me. I want to keep it secret.


A. on
B. up
C. down
D. go

[单项选择]It is important that each of you（）a note-book to class with you every day.
A. will bring
B. must bring
C. brings
D. bring

[单项选择]If you know nobody overseas and you have no money with you, the consul may


A. ask your friends to buy tickets for you.
B. visit you.
C. give you a list of local lawyers.
D. give you a loan to get you back to U. K.

[单选题] I don’t know where Mr. White has gone. You’d better ask （）.
A. else somebody
B. other somebody
C. somebody else
D. anybody else

[单项选择]When replying，could you let us know if you allow cash or trade discounts


A. 当回信时，你能让我们知道是否你允许现金折扣或贸易折扣
B. 回信时，如果贵方允许付现或允许各种贸易折扣请告知。
C. 回复时，请贵方告知是付现折扣或批发折扣。
D. 作为回复，请让我们知道你方能否允许付现或批发折扣。

[单项选择]I know some of them, but I don't know of them.


A. all
B. few
C. some
D. any

[单项选择]Once you get to know your mistakes, you should ______ them as soon as possible.
A. rectify
B. reclaim
C. refrain
D. reckon

[单项选择]The two schoolboys were so angry with each other that they had a _________ fight.


A. sit-down
B. knock-down
C. sit-up
D. stand-up

[单项选择]--You mean you know the man
--No, I know______ man exactly like him.


A. an
B. the
C. /
D. a

[单项选择]I don't know the origin of this custom.
A. nature
B. reason
C. beginning
D. result

[单项选择]—You mean you know the man
—No, I know ____________ man exactly like him.


A. an
B. the
C. /
D. a

[单项选择]

Passage Two
Does a bee know what is going on in its mind when it navigates its way to distant food sources and back to the hive (蜂房), using polarized sunlight and the tiny magnet it carries as a navigational aid Or is the bee just a machine, unable to do its mathematics and dance its language in any other way To use Donald GrifTm’s term, does a bee have awareness, or to use a phrase I like better, can a bee think and imagine
There is an experiment for this, or at least an observation, make long ago by Karl Von Frisch and more recently confirmed by James Gould at Princeton, Biologists who wish to study such things as bee navigation, language, and behavior in general have to train their bees to fly from the hive to one or another special place. To do this, they begin by placing a source of sugar very close to the hive so that the bees (considered by their trainers to be very dumb beasts) can learn what the game is about. Then, at regular intervals, the
A. The bee, a social animal.
B. Navigational techniques of bees.
C. Testing the awareness of bees.
D. The bee hive, nature's candy shop.